.app-showdown {
    border-width: 0 !important;
    color: #ddd !important;
    width: 100%;
    font-size: 12px !important;
    min-height: auto !important;
    min-width: 120px !important;

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        color: #ddd;
        border-color: #666 !important;
    }

    pre,
    .highlight pre {
        color: #333;
    }

    .v-show-content {
        background-color: #252526 !important;
        padding: 4px 8px !important;
    }

    table {
        tr {
            background-color: #252526 !important;

            td,
            th {
                padding: 3px 5px !important;
                border-color: #666 !important;
            }
        }
    }
}

.ivu-form-item-content {

    .app-showdown {
        z-index: 1;
    }
}